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611 PD U6 Oceans assessment

Last updated over 4 years ago

15 questions

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Question 1

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Question 2

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Question 3

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Question 4

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Question 5

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Question 6

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Question 7

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Question 8

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Question 9

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Question 10

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Question 11

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Question 12

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Question 13

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Question 14

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Question 15

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1. What is the salinity of seawater? 

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3.5%

5.5%

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2. What is the most abundant salt in the sea? A. B.  C.  D. 

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magnesium chloride

sodium chloride

The rapid change in temperature that occurs as the depth of the ocean increases is called 

trophic level

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thermocline

what is density?

mass per unit volume

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mass per unit area

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most ocean water is located in which zone?

mixed water

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deep zone

Which of the following is NOT a zone in the three-layered structure of the ocean relating to
density?

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deep zone 

intertidal zone

Which of the following best describes the ocean bottom?

cold, dark

quiet

increasingly high pressure

all of these

the smallest tidal range occurs during which type of tide?

spring tide

neap tide

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when is the daily tidal range greatest?

spring tide

neap tide

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Which of the following is visible evidence of energy passing through water?

wave

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density tide

The energy that drives surface ocean currents comes from ____.

wind

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temperature declines

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B

C

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C

D

A

B

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A

B

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